Hengtong Optic-Electric (SHA:600487) proposed to add approximately 1.2 million yuan to its daily related-party transactions for the year, according to a Shanghai bourse filing on Thursday.
The related-party transactions include acceptance of services, purchases and sales of goods, and property leasing.
The board previously approved an estimate worth 3.97 billion yuan for this year's related-party transactions.
The fiber-optic cable manufacturer's shares climbed 8% during the morning trade.